990、Such tests or checks will vary in complexity according to the conditions. 这种测试或检查的复杂性将根据条件而异。

498、Carefully put the valve assembly in its position and install the spacers and the bolts.

497、CAP usually consist of two pages: one text page and one illustration page.

496、Calculate the quantity of fuel necessary for the flight.

495、Calculate the pressure with the applicable formula

494、Braking system is used to ＇decrease run-down)time or stop propeller rotation during engine power-off conditions.

493、Bleed then system before you disconnect the components

492、Because airplanes are intended to have long lives, their flight safety must be assured.

491、Basic control and operation information describing how the airplane components are controlled and how they operate, including any special procedures, and limitations that apply.

490、attach the cable to the structure with wire

489、Arrows shall be used to indicate flow direction when needed to understand the schematic diagram.